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Message-Id: <20241211-rk3588-hdmi1-v2-1-02cdca22ff68@collabora.com>
Date: Wed, 11 Dec 2024 01:06:14 +0200
From: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
To: Sandy Huang <hjc@...k-chips.com>,
Heiko Stübner <heiko@...ech.de>,
Andy Yan <andy.yan@...k-chips.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: Alexandre ARNOUD <aarnoud@...com>, kernel@...labora.com,
dri-devel@...ts.freedesktop.org, linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org
Subject: [PATCH v2 1/4] drm/rockchip: dw_hdmi_qp: Add support for RK3588
HDMI1 output
Provide the basic support required to enable the second HDMI TX port
found on RK3588 SoC.
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
---
drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c | 119 ++++++++++++++++++++-----
1 file changed, 96 insertions(+), 23 deletions(-)
diff --git a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c
index c8b362cc2b95fd490029a9c0552ad9fbc5631d17..c36fc130b73440c9e3f2098f408a5cdd2f58e8ef 100644
--- a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c
@@ -28,20 +28,26 @@
#define RK3588_GRF_SOC_CON2 0x0308
#define RK3588_HDMI0_HPD_INT_MSK BIT(13)
#define RK3588_HDMI0_HPD_INT_CLR BIT(12)
+#define RK3588_HDMI1_HPD_INT_MSK BIT(15)
+#define RK3588_HDMI1_HPD_INT_CLR BIT(14)
#define RK3588_GRF_SOC_CON7 0x031c
#define RK3588_SET_HPD_PATH_MASK GENMASK(13, 12)
#define RK3588_GRF_SOC_STATUS1 0x0384
#define RK3588_HDMI0_LEVEL_INT BIT(16)
+#define RK3588_HDMI1_LEVEL_INT BIT(24)
#define RK3588_GRF_VO1_CON3 0x000c
+#define RK3588_GRF_VO1_CON6 0x0018
#define RK3588_SCLIN_MASK BIT(9)
#define RK3588_SDAIN_MASK BIT(10)
#define RK3588_MODE_MASK BIT(11)
#define RK3588_I2S_SEL_MASK BIT(13)
#define RK3588_GRF_VO1_CON9 0x0024
#define RK3588_HDMI0_GRANT_SEL BIT(10)
+#define RK3588_HDMI1_GRANT_SEL BIT(12)
#define HIWORD_UPDATE(val, mask) ((val) | (mask) << 16)
#define HOTPLUG_DEBOUNCE_MS 150
+#define MAX_HDMI_PORT_NUM 2
struct rockchip_hdmi_qp {
struct device *dev;
@@ -53,6 +59,7 @@ struct rockchip_hdmi_qp {
struct phy *phy;
struct gpio_desc *enable_gpio;
struct delayed_work hpd_work;
+ int port_id;
};
static struct rockchip_hdmi_qp *to_rockchip_hdmi_qp(struct drm_encoder *encoder)
@@ -127,20 +134,24 @@ dw_hdmi_qp_rk3588_read_hpd(struct dw_hdmi_qp *dw_hdmi, void *data)
u32 val;
regmap_read(hdmi->regmap, RK3588_GRF_SOC_STATUS1, &val);
+ val &= hdmi->port_id ? RK3588_HDMI1_LEVEL_INT : RK3588_HDMI0_LEVEL_INT;
- return val & RK3588_HDMI0_LEVEL_INT ?
- connector_status_connected : connector_status_disconnected;
+ return val ? connector_status_connected : connector_status_disconnected;
}
static void dw_hdmi_qp_rk3588_setup_hpd(struct dw_hdmi_qp *dw_hdmi, void *data)
{
struct rockchip_hdmi_qp *hdmi = (struct rockchip_hdmi_qp *)data;
+ u32 val;
+
+ if (hdmi->port_id)
+ val = HIWORD_UPDATE(RK3588_HDMI1_HPD_INT_CLR,
+ RK3588_HDMI1_HPD_INT_CLR | RK3588_HDMI1_HPD_INT_MSK);
+ else
+ val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_CLR,
+ RK3588_HDMI0_HPD_INT_CLR | RK3588_HDMI0_HPD_INT_MSK);
- regmap_write(hdmi->regmap,
- RK3588_GRF_SOC_CON2,
- HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_CLR,
- RK3588_HDMI0_HPD_INT_CLR |
- RK3588_HDMI0_HPD_INT_MSK));
+ regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON2, val);
}
static const struct dw_hdmi_qp_phy_ops rk3588_hdmi_phy_ops = {
@@ -173,8 +184,12 @@ static irqreturn_t dw_hdmi_qp_rk3588_hardirq(int irq, void *dev_id)
regmap_read(hdmi->regmap, RK3588_GRF_SOC_STATUS1, &intr_stat);
if (intr_stat) {
- val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_MSK,
- RK3588_HDMI0_HPD_INT_MSK);
+ if (hdmi->port_id)
+ val = HIWORD_UPDATE(RK3588_HDMI1_HPD_INT_MSK,
+ RK3588_HDMI1_HPD_INT_MSK);
+ else
+ val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_MSK,
+ RK3588_HDMI0_HPD_INT_MSK);
regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON2, val);
return IRQ_WAKE_THREAD;
}
@@ -191,22 +206,44 @@ static irqreturn_t dw_hdmi_qp_rk3588_irq(int irq, void *dev_id)
if (!intr_stat)
return IRQ_NONE;
- val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_CLR,
- RK3588_HDMI0_HPD_INT_CLR);
+ if (hdmi->port_id)
+ val = HIWORD_UPDATE(RK3588_HDMI1_HPD_INT_CLR,
+ RK3588_HDMI1_HPD_INT_CLR);
+ else
+ val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_CLR,
+ RK3588_HDMI0_HPD_INT_CLR);
regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON2, val);
mod_delayed_work(system_wq, &hdmi->hpd_work,
msecs_to_jiffies(HOTPLUG_DEBOUNCE_MS));
- val |= HIWORD_UPDATE(0, RK3588_HDMI0_HPD_INT_MSK);
+ if (hdmi->port_id)
+ val |= HIWORD_UPDATE(0, RK3588_HDMI1_HPD_INT_MSK);
+ else
+ val |= HIWORD_UPDATE(0, RK3588_HDMI0_HPD_INT_MSK);
regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON2, val);
return IRQ_HANDLED;
}
+struct rockchip_hdmi_qp_cfg {
+ unsigned int num_ports;
+ unsigned int port_ids[MAX_HDMI_PORT_NUM];
+ const struct dw_hdmi_qp_phy_ops *phy_ops;
+};
+
+static const struct rockchip_hdmi_qp_cfg rk3588_hdmi_cfg = {
+ .num_ports = 2,
+ .port_ids = {
+ 0xfde80000,
+ 0xfdea0000,
+ },
+ .phy_ops = &rk3588_hdmi_phy_ops,
+};
+
static const struct of_device_id dw_hdmi_qp_rockchip_dt_ids[] = {
{ .compatible = "rockchip,rk3588-dw-hdmi-qp",
- .data = &rk3588_hdmi_phy_ops },
+ .data = &rk3588_hdmi_cfg },
{},
};
MODULE_DEVICE_TABLE(of, dw_hdmi_qp_rockchip_dt_ids);
@@ -219,11 +256,13 @@ static int dw_hdmi_qp_rockchip_bind(struct device *dev, struct device *master,
"ref" /* keep "ref" last */
};
struct platform_device *pdev = to_platform_device(dev);
+ const struct rockchip_hdmi_qp_cfg *cfg;
struct dw_hdmi_qp_plat_data plat_data;
struct drm_device *drm = data;
struct drm_connector *connector;
struct drm_encoder *encoder;
struct rockchip_hdmi_qp *hdmi;
+ struct resource *res;
struct clk *clk;
int ret, irq, i;
u32 val;
@@ -235,12 +274,31 @@ static int dw_hdmi_qp_rockchip_bind(struct device *dev, struct device *master,
if (!hdmi)
return -ENOMEM;
- plat_data.phy_ops = of_device_get_match_data(dev);
- if (!plat_data.phy_ops)
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -ENODEV;
+
+ cfg = of_device_get_match_data(dev);
+ if (!cfg)
return -ENODEV;
- plat_data.phy_data = hdmi;
hdmi->dev = &pdev->dev;
+ hdmi->port_id = -ENODEV;
+
+ /* Identify port ID by matching base IO address */
+ for (i = 0; i < cfg->num_ports; i++) {
+ if (res->start == cfg->port_ids[i]) {
+ hdmi->port_id = i;
+ break;
+ }
+ }
+ if (hdmi->port_id < 0) {
+ drm_err(hdmi, "Failed to match HDMI port ID\n");
+ return hdmi->port_id;
+ }
+
+ plat_data.phy_ops = cfg->phy_ops;
+ plat_data.phy_data = hdmi;
encoder = &hdmi->encoder.encoder;
encoder->possible_crtcs = drm_of_find_possible_crtcs(drm, dev->of_node);
@@ -303,17 +361,26 @@ static int dw_hdmi_qp_rockchip_bind(struct device *dev, struct device *master,
HIWORD_UPDATE(RK3588_SDAIN_MASK, RK3588_SDAIN_MASK) |
HIWORD_UPDATE(RK3588_MODE_MASK, RK3588_MODE_MASK) |
HIWORD_UPDATE(RK3588_I2S_SEL_MASK, RK3588_I2S_SEL_MASK);
- regmap_write(hdmi->vo_regmap, RK3588_GRF_VO1_CON3, val);
+ regmap_write(hdmi->vo_regmap,
+ hdmi->port_id ? RK3588_GRF_VO1_CON6 : RK3588_GRF_VO1_CON3,
+ val);
val = HIWORD_UPDATE(RK3588_SET_HPD_PATH_MASK,
RK3588_SET_HPD_PATH_MASK);
regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON7, val);
- val = HIWORD_UPDATE(RK3588_HDMI0_GRANT_SEL,
- RK3588_HDMI0_GRANT_SEL);
+ if (hdmi->port_id)
+ val = HIWORD_UPDATE(RK3588_HDMI1_GRANT_SEL,
+ RK3588_HDMI1_GRANT_SEL);
+ else
+ val = HIWORD_UPDATE(RK3588_HDMI0_GRANT_SEL,
+ RK3588_HDMI0_GRANT_SEL);
regmap_write(hdmi->vo_regmap, RK3588_GRF_VO1_CON9, val);
- val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_MSK, RK3588_HDMI0_HPD_INT_MSK);
+ if (hdmi->port_id)
+ val = HIWORD_UPDATE(RK3588_HDMI1_HPD_INT_MSK, RK3588_HDMI1_HPD_INT_MSK);
+ else
+ val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_MSK, RK3588_HDMI0_HPD_INT_MSK);
regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON2, val);
INIT_DELAYED_WORK(&hdmi->hpd_work, dw_hdmi_qp_rk3588_hpd_work);
@@ -391,14 +458,20 @@ static int __maybe_unused dw_hdmi_qp_rockchip_resume(struct device *dev)
HIWORD_UPDATE(RK3588_SDAIN_MASK, RK3588_SDAIN_MASK) |
HIWORD_UPDATE(RK3588_MODE_MASK, RK3588_MODE_MASK) |
HIWORD_UPDATE(RK3588_I2S_SEL_MASK, RK3588_I2S_SEL_MASK);
- regmap_write(hdmi->vo_regmap, RK3588_GRF_VO1_CON3, val);
+ regmap_write(hdmi->vo_regmap,
+ hdmi->port_id ? RK3588_GRF_VO1_CON6 : RK3588_GRF_VO1_CON3,
+ val);
val = HIWORD_UPDATE(RK3588_SET_HPD_PATH_MASK,
RK3588_SET_HPD_PATH_MASK);
regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON7, val);
- val = HIWORD_UPDATE(RK3588_HDMI0_GRANT_SEL,
- RK3588_HDMI0_GRANT_SEL);
+ if (hdmi->port_id)
+ val = HIWORD_UPDATE(RK3588_HDMI1_GRANT_SEL,
+ RK3588_HDMI1_GRANT_SEL);
+ else
+ val = HIWORD_UPDATE(RK3588_HDMI0_GRANT_SEL,
+ RK3588_HDMI0_GRANT_SEL);
regmap_write(hdmi->vo_regmap, RK3588_GRF_VO1_CON9, val);
dw_hdmi_qp_resume(dev, hdmi->hdmi);
--
2.47.0
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